Function usePattern

docs/scripts/ajv-validator.js:5508–5517

({ gen, it: { opts } }, pattern)

            exports.callValidateCode = callValidateCode;
            const newRegExp = (0, codegen_1._) `new RegExp`;
            function usePattern({ gen, it: { opts } }, pattern) {
                const u = opts.unicodeRegExp ? "u" : "";
                const { regExp } = opts.code;
                const rx = regExp(pattern, u);
                return gen.scopeValue("pattern", {
                    key: rx.toString(),
                    ref: rx,
                    code: (0, codegen_1._) `${regExp.code === "new RegExp" ? newRegExp : (0, util_2.useFunc)(gen, regExp)}(${pattern}, ${u})`,
                });
            }
            exports.usePattern = usePattern;
            function validateArray(cxt) {
                const { gen, data, keyword, it } = cxt;